In [1]:
from pathlib import Path
from ipyniivue import download_dataset
BASE_API_URL = "https://niivue.com/demos/images/"
DATA_FOLDER = Path("images")
# Download data for example
download_dataset(
BASE_API_URL,
DATA_FOLDER,
files=[
"mni152.nii.gz",
"hippo.nii.gz",
],
)
mni152.nii.gz already exists. hippo.nii.gz already exists. Dataset downloaded successfully to images.
In [2]:
try:
from ipylab import JupyterFrontEnd, SplitPanel
except ModuleNotFoundError:
!pip install ipylab
from ipylab import JupyterFrontEnd, SplitPanel
from ipyniivue import NiiVue, SliceType
# this example needs to have ipylab installed and only runs in JupyterLab.
volumes = [
{
"path": DATA_FOLDER / "mni152.nii.gz",
"colormap": "gray",
"opacity": 1.0,
},
{
"path": DATA_FOLDER / "hippo.nii.gz",
"colormap": "red",
"opacity": 1,
},
]
nv = NiiVue(slice_type=SliceType.MULTIPLANAR)
nv.load_volumes(volumes)
app = JupyterFrontEnd()
split_panel = SplitPanel()
# add the widgets to the split panel
split_panel.children = [nv]
split_panel.title.label = "NiiVue SplitPanel"
split_panel.title.icon_class = "jp-PythonIcon"
split_panel.title.closable = True
app.shell.add(split_panel, "main", {"mode": "split-right"})
print("Split panel created!")
nv.volumes[0].opacity = 0.5
nv.volumes[1].colormap = "green"
Split panel created!